/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.dx.cf.iface;

import com.android.dx.util.FixedSizeList;

/**
 * Standard implementation of {@link FieldList}, which directly stores an array
 * of {@link Field} objects and can be made immutable.
 */
public final class StdFieldList extends FixedSizeList implements FieldList {

	/**
	 * Constructs an instance. All indices initially contain {@code null}.
	 * 
	 * @param size
	 *            the size of the list
	 */
	public StdFieldList(int size) {
		super(size);
	}

	/** {@inheritDoc} */
	public Field get(int n) {
		return (Field) get0(n);
	}

	/**
	 * Sets the field at the given index.
	 * 
	 * @param n
	 *            {@code >= 0, < size();} which field
	 * @param field
	 *            {@code null-ok;} the field object
	 */
	public void set(int n, Field field) {
		set0(n, field);
	}
}
